Preparation method of automobile filter paper emulsion

A technology of emulsion and filter paper, which is applied in the field of preparation of automobile filter paper emulsion, can solve the problems that cannot meet the requirements of filter element production, processing and use, and low strength, and achieve excellent emulsification performance, high cross-linking degree, and good chemical and mechanical properties. Effect

Active Publication Date: 2018-04-06
ZHEJIANG JIUBEN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The base paper of filter paper is mostly made of plant fibers, the paper itself is loose, soft, and low in strength, which c

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0016] Example 1

[0017] To 80g of isopropanol solution, at a stirring speed of 300r / min, add 8g of a mixture of ethyl acrylate, n-butyl acrylate and isooctyl acrylate, 8g of a mixture of AMPS and sodium allyl sulfonate, acrylic acid 4g of a mixture of hydroxyethyl and hydroxypropyl methacrylate, adjust the temperature to 80°C, add 0.1% azobisisoheptonitrile by mass to the total monomer content, keep the temperature for 120 minutes, and complete the preparation under high temperature and high vacuum conditions. The solvent was distilled off from the bottom to prepare a 10% aqueous solution; in the first step, 20g of a polymer emulsifier aqueous solution was prepared, heated to 90°C, and 98.03g of a mixture of styrene, acrylic acid, n-butyl acrylate and methyl methacrylate was added dropwise ; The mixture of silane coupling agent KH-570 and SG-SI171 1.87g and ammonium persulfate initiator accounting for 0.05% of the total monomer content, drip the reaction for 180 min, drip to co...

Example Embodiment

[0018] Example 2

[0019] To 80g isopropanol solution, at a stirring speed of 200r / min, add 6g of a mixture of isooctyl acrylate, n-butyl acrylate and lauryl acrylate, AMPS, sodium styrene sulfonate and sodium allyl sulfonate 12g of mixed material of hydroxyethyl acrylate and 2g of hydroxyethyl methacrylate, adjust the temperature to 70°C, add 0.3% azobiscyclohexylcarbonitrile by mass to the total monomer content, keep the temperature for 300min and complete the preparation , Distill off the solvent under high temperature and high vacuum conditions, and prepare a 10% aqueous solution; use the first step to prepare 100g of the polymer emulsifier aqueous solution, raise the temperature to 80℃, and add methyl methacrylate, ethyl methacrylate and propylene dropwise Mixture of nitrile, lauryl acrylate, 2-ethylhexyl acrylate, lauryl methacrylate and n-octyl methacrylate 46.3g; mixture of methylol acrylamide and silane coupling agent KH-570 3.7 g and 0.3% of the total monomer content o...

Example Embodiment

[0020] Example 3

[0021] To 80g isopropanol solution, at a stirring speed of 100r / min, add 6g of ethyl acrylate and n-butyl acrylate mixture, 8g of AMPS and sodium allyl sulfonate mixture, 6g of hydroxyethyl acrylate, Adjust the temperature to 90°C, add 0.5% dimethyl azobisisobutyrate with a mass of the total monomer content, keep the reaction for 240 minutes, and complete the preparation. The solvent is evaporated under high temperature and high vacuum conditions to prepare a 10% aqueous solution; The first step is to prepare 150g of a polymer emulsifier aqueous solution, heat to 80°C, and add dropwise a mixture of styrene, methyl methacrylate, acrylonitrile, butyl acrylate, lauryl acrylate and 2-ethylhexyl acrylate 45.5 g, 4.5g of a mixture of methylol acrylamide and silane coupling agent SG-SI151 and a potassium persulfate initiator accounting for 0.1% of the total monomer content, drip the reaction for 180 minutes, and complete the insulation reaction for 120 minutes, and th...

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PUM

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Abstract

The invention relates to a preparation method of an automobile filter paper emulsion. The method includes the steps that firstly, a polymeric emulsifier is prepared, wherein a mixture of soft monomers, water-soluble dispersing monomers and water-soluble crosslinking monomers is added into an isopropanol solvent at the stirring speed of 200-1000 r/min, the temperature is adjusted to be 50-90 DEG C,an oil-soluble initiator accounting for 0.1%-0.5% of the total monomer mass is added, a heat-preserved reaction is carried out for 120-300 min, preparation is completed, the solvent is distilled offunder high-temperature and vacuum conditions, and a 10% aqueous solution is prepared; secondly, the polymeric emulsifier aqueous solution prepared in the first step is heated to 70-90 DEG C, and two types of blending monomers and an aqueous initiator are dropwise added; thirdly, after the reaction is finished, the temperature is decreased to 60-70 DEG C, a redox system is added into the system tocarry out monomer removal, then the pH value is adjusted, and finally filtration is carried out for discharging. The emulsion has the advantages of being small in particle size, good in chemical and mechanical property, excellent in emulsifying property and film-forming property, high in crosslinking degree and the like, and the waterproof property and mechanical strength after film formation of the filter paper emulsion are greatly improved.

Description

technical field [0001] The invention relates to a preparation method of automobile filter paper emulsion Background technique [0002] Automobile industry filter paper is a special industrial technical paper. It is the general name of air filter paper, oil filter paper and fuel filter paper. It is commonly known as three filter paper. , engine oil, and fuel impurities to prevent wear and tear of parts and prolong service life. The base paper of filter paper is mostly made of vegetable fibers. The paper itself is loose, soft, and low in strength, which cannot meet the requirements of the production, processing and use of filter elements. Therefore, the base paper must be strengthened. After the base paper is treated, it can make the filter paper have higher chemical resistance and solvent resistance, and improve its physical strength and structural strength. [0003] The impregnation treatment of automobile filter paper is mainly carried out with emulsion. At present, my c...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/06C08F220/18C08F220/14C08F230/08C08F228/02C08F220/20C08F220/58C08F220/44
CPCC08F212/08C08F220/14C08F230/08C08F220/1808C08F220/1804C08F228/02C08F220/20C08F220/58C08F220/18C08F220/44C08F220/1812C08F220/1802C08F220/06
Inventor 郑刚
Owner ZHEJIANG JIUBEN BIOCHEM
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